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2 August 2023
Bisisthal: a one million tonne rock slope collapse in Switzerland
On 30 July 2023 a one million tonne rock slope collapse occurred close to Bisisthal in Switzerland. It was captured on several videos, which show the initial pillar collapses and the transition to a rapid rock avalanche.

Dave Petley is the Vice-Chancellor of the University of Hull in the United Kingdom. His blog provides commentary and analysis of landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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